import java.io.IOException;

import ru.ipccenter.jshell.ShellSandbox;
import ru.ipccenter.jshell.frontend.shell.ShellProxy;


public class Sandbox extends ShellSandbox
{
    
    public Sandbox() {
        
        this.shell = new ShellProxy(System.in, System.out, System.err);
    }

    @Override
    public void execUserCode() throws IOException {

        shell.exec("ls", "-al").exec("grep", "нояб.").write();
    }

}
